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Showroom ODrive Turnigy 190kv BLDC 6DOF - Here we go again

Discussion in 'DIY Motion Simulator Projects' started by SilentChill, Oct 12, 2019.

  1. BDZ

    BDZ New Member

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    hey mate sorry to be pest on your thread, but any chances I can grab the dimensions of your Base and Platform?
  2. robjos1

    robjos1 Member

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    My Motion Simulator:
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    If you download the latest FlyPT Mover 2.9 you'll find some of silentchill's profiles are provided as examples. These contain his geometry details
    • Friendly Friendly x 1
  3. BDZ

    BDZ New Member

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    thank you!!
  4. alex1970

    alex1970 New Member

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    My Motion Simulator:
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    Many thanks for sharing the actuator design files @SilentChill, I modeled it into solidworks combined with the frame of @PeterW.
    below just a quick preview wich is far from final...any tips or late design changes are very welcome !
    adesim.JPG
    • Like Like x 6
  5. SilentChill

    SilentChill Problem Maker

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    My Motion Simulator:
    DC motor, Arduino, Motion platform, 6DOF

    Looks great from here :)
    • Like Like x 2
    • Agree Agree x 1
  6. Mars Buggy

    Mars Buggy New Member

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    Heya Craig,

    Great build :thumbs.

    @alex1970 I'm at about the same stage as you... your eyebolts look to be clamped, can they rotate? Reading other builds I noted rotation at the top joint or rotation in the actuator itself. Mr Chills actuator has guide rails and is ridged. If this helps great, if I am wrong please ignore.
    upload_2020-5-7_17-58-50.png
    Last edited: May 7, 2020
  7. SilentChill

    SilentChill Problem Maker

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    Looks great apart from that !! lol i didnt even notice
  8. Mars Buggy

    Mars Buggy New Member

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    Heya SC,

    Do the fixed end support seals you used handle thrust and radial loads? My assumption is yes, but you've used them could you confirm? Using them will save me nearly 80 beer tokens over the thrust and radial bearings I've been considering.
    upload_2020-5-8_21-4-11.png
  9. SilentChill

    SilentChill Problem Maker

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    My Motion Simulator:
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    That part holds the whole load of the rig so it's a pretty critical component I wouldnt want to try and cheap out on that part. It's the FK12 bearing housing
    • Informative Informative x 1
  10. alex1970

    alex1970 New Member

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    Very well seen, that was a fast way to get the assembly done, it is far from final. This and lots of other things are still in process of development, as I did a redesign of the Odrive PCB which is finaly ordered :blush (btw this odrive pcb is only 70x80mm). So time again to get the mechanics done.
    bot.JPG top.JPG
    • Like Like x 3
    • Winner Winner x 1
  11. Trigen

    Trigen Active Member

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    Really loving this project!

    Apologies if this is in one of the videos as i havent had a chance to watch them. Any ideas on the aprox power and speed on these? Im thinking about building a 3 actuator setup to will need to lift around 200kg or so. There's the SFX100 of course but this seems like a much cooler and well cheaper project but some specs would be fantastic.

    I found this which seem to be a motor above and one under but its at 1 amp https://electric-skateboard.builders/t/torque-curves-for-sk3s-6354-260kv-6374-149kv-6374-192kv/19721
    • Like Like x 2
    Last edited: May 20, 2020
  12. SilentChill

    SilentChill Problem Maker

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    My Motion Simulator:
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    If your wanting a 3DOF to lift 200kg I would deffo go with the Servo motors and Thanos board :)
    • Agree Agree x 2
    • Like Like x 1
  13. GBrick

    GBrick Interested in 6dof.

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    My Motion Simulator:
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    Hi guys I have a question about the 6dof setups. When using monitors attached to the moving frame, does the game know that the monitors are moving? Does this cause problems with sync? Secondly, when using a VR headset, does the headset know that you are moving? I know they have head tracking, but does the movement of the chair your in cause any issues or is all of that fine?
  14. Gadget999

    Gadget999 Active Member

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    thats a good question - it depends on the game

    firstly the monitors get thrown about - that cant be good for them
    i have noticed that r factor does move the screen about a bit - this may be editable in the settings

    with vr if you fit the tracking camera to the rig the vr should be fine - some rigs use a tracking puck to track the base movement and work out your movement from there
  15. noorbeast

    noorbeast VR Tassie Devil Staff Member Moderator Race Director

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    With large axis movement rigs and VR you really need motion cancellation, where the movement of the rig is subtracted from the VR HMD view. Members have recently forked and are refining motion cancellation, using SteamVR Lighthouse based outside in tracked VR systems.
  16. BDZ

    BDZ New Member

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    Do you reckon your 6dof could be capable of achieving 200kgs? Not so much for me but if I were to have ‘larger’ friends have a crack at it.

    Currently in the process of receiving all my orders and all I’m waiting on now Are the motors and ball screws, once I’ve received everything I’ll start up my own thread
  17. MRGreen

    MRGreen New Member

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    Hi SilentChill! Looking at your project for it having a great range of movement and more space for taller guys like me. Got issues with key components being unavailable these days. Odrives are out of stock or out of production, motors are not available anywhere online in the world, even small things like M4 brass insets link is not valid and I have trouble getting dimensions of those to source a replacement that would fir your STL models. Would you consider updating some links in the parts list?

    Motors do have dimensions and specs, so I went looking for alternatives. This seems to be the closest match https://www.aliexpress.com/item/329...earchweb0_0,searchweb201602_,searchweb201603_
    Do you think they could work?